1.

WORK, POWERAND ENERGY

Answer»

Work is related to the amount of energy transferred to or from a system by a force. It is a scalar-valued quantity with SI units ofJoule.

Power is defined to be the rate at which work is performed, or the derivative of work over time. The SI unit for power is thewatt.

Energy is stored work. It has the same units as work, the Joule (J).



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